| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA89 |
| Clara Wulfsen | Department of Revenue | Undecided | GA89 |
| Angela Caulk | Greater Iowa Apartment Association | Supporting | GA89 |
| Michael Triplett | Greater Iowa Apartment Association | Supporting | GA89 |
| Noah Tabor | Greater Iowa Apartment Association | Supporting | GA89 |
| Nick Laning | IBEW Iowa State Conference | Undecided | GA89 |
| Threase Harms | IBEW Iowa State Conference | Undecided | GA89 |
| Alex Cutchey | Iowa Association of Municipal Utilities | Undecided | GA89 |
| Nathan Blake | Iowa Attorney General Dept. of Justice | Opposing | GA89 |
| Larry Murphy | Iowa Catholic Conference | Undecided | GA89 |
| Meghan Malloy | Iowa Catholic Conference | Undecided | GA89 |
| Tom Chapman | Iowa Catholic Conference | Undecided | GA89 |
| Todd Coffelt | Iowa Dept. of Natural Resources | Undecided | GA89 |
| Jim Obradovich | Iowa Environmental Health Association | Undecided | GA89 |
| Robert Mulqueen | Iowa Environmental Health Association | Undecided | GA89 |
| Peter Hird | Iowa Federation of Labor, AFL-CIO | Undecided | GA89 |
| Kristin Hanks-Bents | Iowa Finance Authority | Undecided | GA89 |
| Alan Kemp | Iowa League of Cities | Undecided | GA89 |
| Daniel Stalder | Iowa League of Cities | Undecided | GA89 |
| Robert Palmer | Iowa League of Cities | Undecided | GA89 |
| Andy Conlin | Iowa Manufactured Housing Association | Supporting | GA89 |
| Mike Heller | Iowa State Association of Assessors | Undecided | GA89 |
| Doug Struyk | Iowa State Bar Association | Undecided | GA89 |
| Jennifer Dorman | Iowa State Bar Association | Undecided | GA89 |
| Jim Carney | Iowa State Bar Association | Undecided | GA89 |
| Jill Altringer | Landlords of Iowa | Supporting | GA89 |
| Onnalee Gettler | MidAmerican Energy Company | Undecided | GA89 |